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External RAM Interface with RD2 Controller

Hello All,

I am Using AT89C51RD2 controller. I have interface the External RAM of 32K. My Program is Working with the RE2 Controller With internal memory. but when i have configure program with giving the external RAM address and size with RD2. it is not working. Is there any solution regarding this Issue?

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0 Dinesh Bharada over 11 years ago in reply to ²erik malund

Thank you very much for your valuable response...can you please give me name ofthat SFR.
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0 Dinesh Bharada over 11 years ago in reply to ²erik malund

Thank you very much for your valuable response...can you please give me name ofthat SFR.
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0 Michael D over 11 years ago in reply to Dinesh Bharada

AUXR

Have a look at the datasheet.
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